upatre | 21306663759f6979166c329eec58c658a38d73e723ebea51ecd1e81a07051345

Analysis

max time kernel
150s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-08-2024 19:48

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General

Target

9fb23254be6c571a90d1feec2a60ca0f_JaffaCakes118.exe
Size

12KB
MD5

9fb23254be6c571a90d1feec2a60ca0f
SHA1

e1f93264b7ff5cd92a83e76eda4c5564dbdc345f
SHA256

21306663759f6979166c329eec58c658a38d73e723ebea51ecd1e81a07051345
SHA512

ce8245c0aaa316785fc18458be93abc95208632d6751823c1b44b6c636b3c83f56f45571126c39cc6d0cc03fa605f67f5ea6c1d82f603549ce9d73b49225ffdf
SSDEEP

384:6K+dKfzQHxFxRmyja4QhiP7UlY/pjKhYjlyyuALylbyy7yQ:v+dAURFxna4QAPQlYghmlyyuALylbyyT

Score

10^/10

upatre discovery downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

9fb23254be6c571a90d1feec2a60ca0f_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	9fb23254be6c571a90d1feec2a60ca0f_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid	Process
4652	szgfw.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

9fb23254be6c571a90d1feec2a60ca0f_JaffaCakes118.exeszgfw.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9fb23254be6c571a90d1feec2a60ca0f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szgfw.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

9fb23254be6c571a90d1feec2a60ca0f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2948 wrote to memory of 4652	2948	9fb23254be6c571a90d1feec2a60ca0f_JaffaCakes118.exe	93
PID 2948 wrote to memory of 4652	2948	9fb23254be6c571a90d1feec2a60ca0f_JaffaCakes118.exe	93
PID 2948 wrote to memory of 4652	2948	9fb23254be6c571a90d1feec2a60ca0f_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\9fb23254be6c571a90d1feec2a60ca0f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9fb23254be6c571a90d1feec2a60ca0f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4652

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4400,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4236 /prefetch:8
1⤵
PID:3036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
12KB

MD5
65a409ddc37ab70fa63f024391d764b6

SHA1
d10834e0c10d7c5eeafa39fce85ddac5f630a0a6

SHA256
37b19f7d8c3601b42baf11faddf008691aad2c69fa077b195c6bc94f5a46a438

SHA512
42b6c104ebfcd02acbb96bc6cc120227c33474820bab52efe06910f1b6370ec0248f54f136bfb5ba8a5b52685424194c3999f425ffb9345a387511c5eb81142f

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